.page-contact {
  --pc-gap: clamp(20px, 4vw, 40px);
  --pc-sec-y: clamp(56px, 9vw, 100px);
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .pc-inner {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--f-display);
  color: var(--ink-green);
  letter-spacing: -.02em;
  line-height: 1.18;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact .mono {
  font-family: var(--f-mono);
  letter-spacing: .04em;
}

/* ---------- 返回顶部 ---------- */
.page-contact .pc-top {
  display: none;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 4vw, 44px) clamp(44px, 7vw, 84px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 68%;
  height: 46%;
  background: var(--moss-tint);
  clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
  z-index: -1;
}

.page-contact .breadcrumb {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: end;
}

.page-contact .pc-hero__text h1 {
  font-size: clamp(30px, 7vw, 60px);
  font-weight: 900;
  margin-top: 10px;
}

.page-contact .pc-lede {
  margin-top: clamp(16px, 3vw, 24px);
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--ink);
}

.page-contact .pc-toc {
  display: flex;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-bottom: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pc-toc a {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-small);
  color: var(--ink-green);
  font-size: 14px;
  text-decoration: none;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .pc-toc a:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-toc__no {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-contact .pc-hero__media {
  margin: 0;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .pc-hero__media img,
.page-contact .pc-prepare__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-sec {
  padding-block: var(--pc-sec-y);
}

.page-contact .pc-sec__head {
  max-width: var(--reading);
}

.page-contact .pc-sec__head h2 {
  font-size: clamp(24px, 4.2vw, 40px);
  font-weight: 900;
  margin-top: 10px;
}

.page-contact .pc-sec__intro {
  margin-top: 14px;
  max-width: 62ch;
  color: var(--sage);
  font-size: clamp(15px, 1.6vw, 17px);
}

/* ---------- 联系卡片 ---------- */
.page-contact .pc-channels {
  padding-top: clamp(36px, 6vw, 64px);
}

.page-contact .pc-cards {
  display: grid;
  gap: 22px;
  margin-top: clamp(28px, 5vw, 48px);
}

.page-contact .pc-card {
  position: relative;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  padding: 26px 22px 28px;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .pc-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-contact .pc-card__no {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 4px;
}

.page-contact .pc-card h3 {
  font-size: 20px;
  margin-top: 14px;
}

.page-contact .pc-card__value {
  margin-top: 10px;
  font-size: 15px;
  color: var(--vermilion-deep);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-card__desc {
  margin-top: 12px;
  font-size: 15px;
  color: var(--sage);
}

/* 复制按钮 */
.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 8px 16px;
  border: 1px solid var(--ink-green);
  background: var(--moss-tint);
  box-shadow: var(--shadow-small);
  color: var(--ink-green);
  font-family: var(--f-body);
  font-size: 14px;
  cursor: pointer;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.page-contact .copy-btn:focus-visible {
  outline: 3px solid var(--vermilion);
  outline-offset: 2px;
}

.page-contact .copy-btn__hint {
  display: none;
}

.page-contact .copy-btn[data-copied] .copy-btn__hint {
  display: inline;
}

.page-contact .copy-btn[data-copied] .copy-btn__text {
  display: none;
}

.page-contact .copy-btn[data-copied] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--paper);
}

/* 站内链接 */
.page-contact .pc-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--vermilion-deep);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}

.page-contact .pc-link:hover {
  color: var(--vermilion);
}

/* ---------- 回复节奏 ---------- */
.page-contact .pc-hours {
  background: var(--moss-tint);
  border-block: var(--line-soft);
}

.page-contact .pc-timeline {
  list-style: none;
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding: 0 0 0 26px;
  max-width: var(--reading);
  border-left: 2px solid var(--jade);
}

.page-contact .pc-timeline li {
  position: relative;
  padding-bottom: 26px;
}

.page-contact .pc-timeline li:last-child {
  padding-bottom: 0;
}

.page-contact .pc-timeline li::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--paper);
  border: 2px solid var(--jade);
}

.page-contact .pc-time {
  display: inline-block;
  font-size: 13px;
  color: var(--ink-green);
  background: var(--paper);
  border: 1px solid rgba(11, 50, 39, .28);
  padding: 1px 8px;
}

.page-contact .pc-timeline h3 {
  font-size: 17px;
  margin-top: 8px;
}

.page-contact .pc-timeline p {
  margin-top: 6px;
  font-size: 15px;
  color: var(--sage);
}

/* ---------- 提问准备 ---------- */
.page-contact .pc-prepare__grid {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
}

.page-contact .pc-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--paper);
  border: var(--line-soft);
  box-shadow: var(--shadow-small);
  font-size: 15px;
  cursor: pointer;
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-contact .pc-check:hover {
  border-color: var(--ink-green);
  transform: translateY(-1px);
}

.page-contact .pc-check input {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  accent-color: var(--jade);
}

.page-contact .pc-check input:checked + span {
  color: var(--ink-green);
}

.page-contact .pc-check strong {
  color: var(--ink-green);
}

.page-contact .pc-draft {
  margin-top: 26px;
  padding: 22px;
  background: var(--ink-green);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  color: var(--paper);
}

.page-contact .pc-draft h3 {
  color: var(--paper);
  font-size: 17px;
}

.page-contact .pc-draft__body {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 14px;
  line-height: 1.9;
  color: rgba(252, 250, 244, .9);
  word-break: break-word;
}

.page-contact .pc-draft .copy-btn {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink-green);
}

.page-contact .pc-draft .copy-btn[data-copied] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-green);
}

.page-contact .pc-prepare__media {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--paper);
  overflow: hidden;
}

.page-contact .pc-prepare__media img {
  aspect-ratio: 4 / 3;
}

.page-contact .pc-prepare__media figcaption {
  padding: 12px 16px;
  border-top: var(--line-soft);
  font-size: 13px;
  color: var(--sage);
}

/* ---------- 咨询类型 ---------- */
.page-contact .pc-topic-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 5vw, 44px);
}

.page-contact .pc-topic {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 18px 22px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-small);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .pc-topic:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-topic__no {
  display: grid;
  place-items: center;
  height: 44px;
  background: var(--jade);
  border: 1px solid var(--ink-green);
  color: var(--paper);
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-contact .pc-topic__body h3 {
  font-size: 17px;
}

.page-contact .pc-topic__body p {
  margin-top: 8px;
  font-size: 15px;
  color: var(--sage);
}

/* ---------- 昆明 ---------- */
.page-contact .pc-kunming {
  background: var(--ink-green);
  color: var(--ivory);
}

.page-contact .pc-kunming h2 {
  color: var(--ivory);
}

.page-contact .pc-kunming .eyebrow {
  color: var(--gold);
}

.page-contact .pc-kunming .pc-sec__intro {
  color: rgba(243, 238, 224, .78);
}

.page-contact .pc-kunming__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-contact .pc-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-facts li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(198, 160, 58, .3);
  font-size: 15px;
  color: rgba(243, 238, 224, .88);
}

.page-contact .pc-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-facts__num {
  font-size: 20px;
  color: var(--gold);
}

.page-contact .pc-kunming__map {
  color: var(--gold);
  max-width: 420px;
  width: 100%;
  justify-self: center;
}

.page-contact .pc-kunming__map svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .pc-kunming__note {
  margin-top: 8px;
  text-align: center;
  font-size: 13px;
  color: rgba(198, 160, 58, .85);
}

/* ---------- 备案 ---------- */
.page-contact .pc-record {
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .pc-record__box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-hard);
}

.page-contact .pc-record__icp {
  font-size: 15px;
  color: var(--ink-green);
}

.page-contact .pc-record__box .pc-link {
  margin-top: 0;
}

.page-contact .pc-record__dot {
  color: var(--gold);
  font-weight: 700;
}

.page-contact .pc-record__text {
  margin-top: 20px;
  max-width: var(--reading);
  font-size: 15px;
  color: var(--sage);
}

.page-contact .pc-back {
  display: inline-block;
  margin-top: 28px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

.page-contact .pc-back:hover {
  color: var(--vermilion-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .pc-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .pc-hero::before {
    width: 56%;
    height: 74%;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-card:nth-child(2) {
    margin-top: 36px;
  }

  .page-contact .pc-card:nth-child(3) {
    margin-top: 72px;
  }

  .page-contact .pc-prepare__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .pc-kunming__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .pc-top {
    display: inline-flex;
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 30;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    background: var(--paper);
    border: var(--line);
    box-shadow: var(--shadow-small);
    color: var(--ink-green);
    font-family: var(--f-mono);
    font-size: 15px;
    text-decoration: none;
    transition: transform .18s var(--ease), box-shadow .18s var(--ease), background-color .18s var(--ease);
  }

  .page-contact .pc-top:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hard);
    background: var(--moss-tint);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-card,
  .page-contact .pc-topic,
  .page-contact .pc-toc a,
  .page-contact .copy-btn,
  .page-contact .pc-check,
  .page-contact .pc-top {
    transition: none;
  }

  .page-contact .pc-card:hover,
  .page-contact .pc-topic:hover,
  .page-contact .pc-toc a:hover,
  .page-contact .copy-btn:hover,
  .page-contact .pc-check:hover,
  .page-contact .pc-top:hover {
    transform: none;
  }
}
<<<END>>>